The Big Snooze is ultralight and weighs only 3.2 pounds, allowing you to easily store or transport the sleeping bag. The sleeping bag is made of highly breathable material. The fleece interior is lined with comfortable and supple polyester that offers great freedom of movement. Furthermore, the sleeping bag has elastic head and foot end attachments and Quick-release zippers on two sides. This three-season sleeping bag gives you a warm and comfortable night’s sleep in spring, summer and fall.